Hollandite and Labradorite Physical Properties

Hollandite

Labradorite

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1 Physical Properties

1.1 Tenacity

Not Available

1.2 Solubility

Not Available

1.3 Durability

Not Available

1.4 Specific Gravity

5.052.69-2.72

1 7.18

1.5 Fracture

Brittle, Metallic

Uneven, Conchoidal, Gems, Sixth Edition (2006)

1.6 Cleavage

Distinct / Good, Prismatic

Perfect on {001}, less perfect on {010}, intersecting at near 90°; distinct on {110}

1.7 Mohs Hardness

4-66-6.5

2 10

1.8 Chemical Composition

Ba(Mn++++,Mn++)8O16

(Na,Ca)_1-2Si_3-2O₈

Hollandite and Labradorite Chemical Formula

While comparing Hollandite and Labradorite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Hollandite and Labradorite chemical formula.

Chemical formula of Hollandite- Ba(Mn++++,Mn++)8O16
Chemical formula of Labradorite- (Na,Ca)_1-2Si_3-2O₈

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Hollandite and Labradorite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Hollandite and Labradorite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Hollandite and Labradorite Optical Properties during the identification of gemstone. Specific gravity of Hollandite is 2.69-2.72 whereas that of Labradorite is 2.69-2.72.